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Metrics glossary

Filter by scope:Allclusterconnectfactorhouseksqldboffsetschemastreams

Metric Name	Type	Scope	Description
acl_count	gauge	cluster	The number of ACLs in the Kafka cluster
broker_bytes_disk	gauge	cluster	The written disk size in bytes of a broker
broker_bytes_total	gauge	cluster	The total disk size in bytes of a broker
broker_bytes_usable	gauge	cluster	The usable disk size in bytes of a broker
broker_count	gauge	cluster	The number of brokers in the Kafka cluster
broker_dir_bytes_disk	gauge	cluster	The written disk size in bytes of a broker directory
broker_dir_bytes_total	gauge	cluster	The total disk size in bytes of a broker directory
broker_dir_bytes_usable	gauge	cluster	The usable disk size in bytes of a broker directory
broker_end_delta	histogram	cluster	The total delta of end offsets of a broker (produced msgs/s)
broker_offset_delta	histogram	cluster	The total delta of all assignment offsets reading from a broker (consumed msgs/s)
broker_offset_lag	histogram	cluster	The total lag of all assignments reading from a broker
broker_start_delta	histogram	cluster	The total delta of start offsets of a broker (deleted msgs/s)
broker_urp	gauge	cluster	The total number of under replicated topic partitions belonging to this broker.
ccloud_active_connections	gauge	cluster	The number of active connections as reported by the Confluent Cloud metrics API.
cluster_controller	gauge	cluster	The ID of the broker that is acting as the controller
cluster_leader_preferred_percentage	gauge	cluster	The percentage of topic partitions where the preferred leader (first replica in the list of replicas) is the actual leader in the Kafka cluster.
cluster_reassignments_in_progress	gauge	cluster	The number of topic partition reassignments currently in-progress on the cluster.
cluster_uniform_replication_factor_percentage	gauge	cluster	The percentage of topics that have a uniform replication factor.
group_assignment_count	gauge	cluster	The number of topic partition assignments in the consumer group.
group_consumption_inactive_mins	gauge	cluster	The number of minutes a group has seen no reads since it was first observed.
group_count	gauge	cluster	The number of consumer groups in the Kafka cluster
group_host_count	gauge	cluster	The number of distinct hosts in the consumer group.
group_member_count	gauge	cluster	The number of member assignments in the consumer group.
group_offset_delta	histogram	cluster	The total delta of offsets of a group (consumed msgs/s)
group_offset_delta_total	meter	cluster	The total group offset delta for all consumer groups in the Kafka cluster (consumed msgs/s)
group_offset_lag	histogram	cluster	The total lag of all assignments of a group
group_offset_lag_total	meter	cluster	The total lag of all consumer groups in the Kafka cluster
group_state	gauge	cluster	The state of the consumer group, where the value is the ordinal of org.apache.kafka.common.ConsumerGroupState
group_topic_consumption_inactive_mins	gauge	cluster	The number of minutes a group has seen no reads to the topic since it was first observed.
host_offset_delta	histogram	cluster	The total delta of all group member offsets served by a host (consumed msgs/s)
host_offset_lag	histogram	cluster	The total lag of all group members served by a host
kraft_high_watermark	gauge	cluster	The high watermark of the metadata log in the KRaft cluster, indicating the highest committed offset.
kraft_leader_epoch	gauge	cluster	The current leader epoch in the KRaft cluster, incremented each time a new leader is elected.
kraft_leader_id	gauge	cluster	The broker ID of the current leader in the KRaft cluster responsible for handling metadata operations.
kraft_observer_count	gauge	cluster	The number of observer replicas in the KRaft cluster. Observers replicate the metadata log but do not participate in leader election.
kraft_replicas_count	gauge	cluster	The total number of replicas (voters + observers) in the KRaft cluster responsible for maintaining the metadata log.
kraft_voter_count	gauge	cluster	The number of voting replicas in the KRaft cluster. Voters participate in leader election and maintain the metadata log.
simple_broker_offset_delta	histogram	cluster	The total delta of all simple consumer assignment offsets reading from a broker (consumed msgs/s)
simple_broker_offset_lag	histogram	cluster	The total lag of all simple consumer assignments reading from a broker
simple_group_offset_delta_total	meter	cluster	The total group offset delta for all simple consumer groups in the Kafka cluster (consumed msgs/s)
simple_group_offset_lag_total	meter	cluster	The total lag of all simple consumer groups in the Kafka cluster
simple_topic_consumption_inactive_mins	gauge	cluster	The number of minutes a topic has seen no reads by a simple consumer since it was first observed.
simple_topic_offset_delta	histogram	cluster	The total delta of all simple consumer assignment offsets reading from a topic (consumed msgs/s)
simple_topic_offset_lag	histogram	cluster	The total lag of all simple consumer assignments reading from a topic
topic_bytes_disk	gauge	cluster	The disk size in bytes of a topic
topic_bytes_disk_total	meter	cluster	The total disk size in bytes of all topics in the Kafka cluster
topic_consumption_inactive_mins	gauge	cluster	The number of minutes a topic has seen no reads since it was first observed.
topic_count	gauge	cluster	The number of topics in the Kafka cluster
topic_end_delta	histogram	cluster	The total delta of end offsets of a topic (produced msgs/s)
topic_end_delta_total	meter	cluster	The total delta of end offsets of all topics in the Kafka cluster (produced msgs/s)
topic_inactive_mins	gauge	cluster	The number of minutes a topic has seen no reads or writes since it was first observed.
topic_leader_preferred_percentage	gauge	cluster	The percentage of partitions where the preferred leader (first replica in the list of replicas) is the actual leader within the Kafka topic.
topic_non_preferred_leaders_total	meter	cluster	The total number of topic partitions where the leader is not preferred in the Kafka cluster.
topic_offset_delta	histogram	cluster	The total delta of all assignment offsets reading from a topic (consumed msgs/s)
topic_offset_lag	histogram	cluster	The total lag of all assignments reading from a topic
topic_production_inactive_mins	gauge	cluster	The number of minutes a topic has seen no writes since it was first observed.
topic_start_delta	histogram	cluster	The total delta of start offsets of a topic (deleted msgs/s)
topic_urp	gauge	cluster	The total number of under replicated partitions belonging to this topic.
topic_urp_total	meter	cluster	The total number of under replicated partitions of all topics in the Kafka cluster.
connect_connector_failed_total	gauge	connect	The aggregate number of failed connectors
connect_connector_paused_total	gauge	connect	The aggregate number of paused connectors
connect_connector_running_total	gauge	connect	The aggregate number of running connectors
connect_connector_state	gauge	connect	The state of the connector
connect_connector_task_failed_total	gauge	connect	The total number of failed tasks a connector has
connect_connector_task_paused_total	gauge	connect	The total number of paused tasks a connector has
connect_connector_task_running_total	gauge	connect	The total number of running tasks a connector has
connect_connector_task_state	gauge	connect	The state of the connector's task
connect_connector_task_total	gauge	connect	The total number of tasks a connector has
connect_connector_task_unassigned_total	gauge	connect	The total number of unassigned tasks a connector has
connect_connector_total	gauge	connect	The total number of connectors
connect_connector_unassigned_total	gauge	connect	The aggregate number of unassigned connectors
connect_connector_unreachable_total	gauge	connect	The number of connectors that Kpow failed to query for
connect_task_failed_total	gauge	connect	The aggregate number of connector tasks failed
connect_task_paused_total	gauge	connect	The aggregate number of connector tasks paused
connect_task_running_total	gauge	connect	The aggregate number of connector tasks running
connect_task_total	gauge	connect	The total number of connector tasks
connect_task_unassigned_total	gauge	connect	The aggregate number of connector tasks unassigned
msk_connect_connector_creating_total	gauge	connect	The aggregate number of MSK connectors getting created
msk_connect_connector_deleting_total	gauge	connect	The aggregate number of MSK connectors getting deleted
msk_connect_connector_failed_total	gauge	connect	The aggregate number of failed MSK connectors
msk_connect_connector_running_total	gauge	connect	The aggregate number of running MSK connectors
msk_connect_connector_state	gauge	connect	The state of the MSK connector
msk_connect_connector_total	gauge	connect	The total number of MSK connectors
msk_connect_connector_unreachable_total	gauge	connect	The number of MSK connectors that Kpow failed to query for
msk_connect_connector_updating_total	gauge	connect	The aggregate number of MSK connectors getting updated
capture_ccloud_disk	timer	factorhouse	A timer that measures the duration of capturing Confluent Cloud disk metrics.
capture_ccloud_telemetry	timer	factorhouse	A timer that measures the duration of capturing Confluent Cloud telemetry data.
capture_connect_telemetry	timer	factorhouse	A timer that measures the duration of capturing Kafka Connect cluster telemetry.
capture_flink_telemetry	timer	factorhouse	A timer that measures the duration of Flink telemetry collection.
capture_kafka_configuration	timer	factorhouse	A timer that measures the duration of capturing Kafka broker and topic configuration.
capture_kafka_serdes	timer	factorhouse	A timer that measures the duration of discovering and capturing Kafka topic SerDes information.
capture_kafka_telemetry	timer	factorhouse	A timer that measures the duration of capturing core Kafka cluster telemetry.
capture_ksqldb_telemetry	timer	factorhouse	A timer that measures the duration of capturing ksqlDB cluster telemetry.
capture_schema_telemetry	timer	factorhouse	A timer that measures the duration of capturing Schema Registry telemetry.
error_capture_kafka_configuration	meter	factorhouse	A meter marked when there was an error capturing Kafka configuration telemetry
error_capture_kafka_serdes	meter	factorhouse	A meter marked when there was an error capturing Kafka topic SerDes telemetry
error_capture_kafka_telemetry	meter	factorhouse	A meter marked when there was an error capturing Kafka telemetry
error_compute_snapshot	meter	factorhouse	A meter marked when there was an error computing internal snapshots
execute_kafka_acl-config	timer	factorhouse	A timer that measures the duration of executing an ACL configuration request to the Kafka cluster.
execute_kafka_broker	timer	factorhouse	A timer that measures the duration of executing a request for broker information from the Kafka cluster.
execute_kafka_broker-config	timer	factorhouse	A timer that measures the duration of executing a broker configuration request to the Kafka cluster.
execute_kafka_cluster	timer	factorhouse	A timer that measures the duration of executing a request for general cluster information from Kafka.
execute_kafka_group	timer	factorhouse	A timer that measures the duration of executing a request for consumer group information.
execute_kafka_group-offset	timer	factorhouse	A timer that measures the duration of executing a consumer group offset request to the Kafka cluster.
execute_kafka_replica	timer	factorhouse	A timer that measures the duration of executing a request for replica information from the Kafka cluster.
execute_kafka_schema	timer	factorhouse	A timer that measures the duration of executing a request to the Schema Registry.
execute_kafka_subject	timer	factorhouse	A timer that measures the duration of executing a request for a subject from the Schema Registry.
execute_kafka_topic-config	timer	factorhouse	A timer that measures the duration of executing a topic configuration request to the Kafka cluster.
execute_kafka_topic-offset	timer	factorhouse	A timer that measures the duration of executing a topic offset request to the Kafka cluster.
inspect_topic	timer	factorhouse	A timer that measures the duration of a topic data inspection (kJQ) operation.
jetty_ws_connections	gauge	factorhouse	The number of active WebSocket connections to Kpow.
jvm_memory_heap_committed	gauge	factorhouse	The amount of heap memory in bytes that is guaranteed to be available for use by the JVM.
jvm_memory_heap_max	gauge	factorhouse	The maximum amount of heap memory in bytes that can be used for memory management.
jvm_memory_heap_used	gauge	factorhouse	The current amount of heap memory in bytes that is used.
jvm_memory_non-heap_committed	gauge	factorhouse	The amount of non-heap memory in bytes that is guaranteed to be available for use by the JVM.
jvm_memory_non-heap_max	gauge	factorhouse	The maximum amount of non-heap memory in bytes that can be used for memory management.
jvm_memory_non-heap_used	gauge	factorhouse	The current amount of non-heap memory in bytes that is used.
ksqldb_pull-query	timer	factorhouse	A timer that measures the duration of executing a pull query against a ksqlDB materialized table.
produce_topic	timer	factorhouse	A timer that measures the duration of producing a message to a Kafka topic.
prometheus_export	timer	factorhouse	A timer for the duration of exporting metrics to Prometheus.
prometheus_fetch	timer	factorhouse	A timer that measures the duration of fetching data to be used in Prometheus metrics.
prometheus_generate	timer	factorhouse	A timer that measures the duration of generating the complete Prometheus metrics payload.
query_metrics	timer	factorhouse	A timer that measures the duration of an internal query for Kpow metrics.
query_snapshots	timer	factorhouse	A timer that measures the duration of an internal query for Kpow snapshots.
ksqldb_queries_count	gauge	ksqldb	The number of queries (persistent and push) in ksql.
ksqldb_sources_count	gauge	ksqldb	The number of sources (streams and tables) in the ksqldb.
ksqldb_streams_count	gauge	ksqldb	The number of streams in ksqldb.
ksqldb_tables_count	gauge	ksqldb	The number of tables in ksqldb.
group_assignment_delta	gauge	offset	The change in the consumer group offset for this topic partition over time (measured in consumed messages per second).
group_assignment_first_observed	gauge	offset	The timestamp of when the consumer group was first observed reading from this topic partition.
group_assignment_last_read	gauge	offset	The timestamp of when the consumer group was last observed reading from this topic partition.
group_assignment_offset	gauge	offset	The latest observed offset position of the consumer group for this topic partition.
partition_end	gauge	offset	The end offset of a topic partition
partition_start	gauge	offset	The start offset of a topic partition
topic_end_sum	gauge	offset	The sum of all partition end offsets of a topic
registry_subject_count	gauge	schema	The number of subjects in the schema registry
streams_client_state	gauge	streams	The state of the streams instance, where the value is the ordinal of org.apache.kafka.streams.KafkaStreams.State
streams_data_points	gauge	streams	The number of collected data points (metrics) Kpow has collected for this KafkaStreams application.
streams_state	gauge	streams	The aggregated streams state of the group, where the value is the ordinal of org.apache.kafka.streams.KafkaStreams.State